interfacing LPDDR SDRAM to SDRC (OMAP3530)

Dear narasimha,

This LPDDR is supported by OMAP

Please refer section for you configuration in your data sheet mention here

Figure 10: Dual Rank, Single Channel (4 Die) Package Block Diagram

Regards

Jethin

Dear Jethin,

Thank you very much,

i have to design a customized OMAP3530 board with 8Gbit (1GB) of LPDDR SDRAM and 32 Gbit (4GB) of NAND flash.  as per your advice i will use same LPDDR SDRAM.

For NAND flash interface, i have selected MT29F16G16ADBCAH4-IT, some

few  features are . . .

• Page size x16: 2160 words (2048 + 112 words)
• Block size: 64 pages (256K + 14K bytes)
  
• Device size: 16Gb: 8192 blocks
• operating Voltage 1.8V
• 63-ball VFBGA package  etc..

My question are ...

1) From OMAP3530 TRM doc, the section 25.4.7.4 NAND (Page Number 3397) shows that " Small page size (512 bytes + 16 bytes) and large page size (2048 bytes + 64 bytes)" but the selected data sheet shows "Page size x16: 2160 words (2048 + 112 words)". the OMAP 3530 will support this kind of NAND flash for Booting ?

2) From OAMP 3530 TRM doc,  the section 25.4.7.4.1 Initialization and NAND Detection (Page Number 3399) shows the supported NAND flash devices ID's. Is it mandatory that to follow the same device id ? because am not getting exact Device id NAND flash.

3) The final requirement of NAND flash is 32 Gb, how to interface two NAND flash's of size 16Gb to GPMC?

Kindly Please help.......

Thanks and Regards

N Reddy

Hi Reddy

Can you please share your datasheet?

Regards

Jethin

Dear Jethin,

i am attaching the data sheet for MT29F16G16ADBCAH4-IT,

Thanks and Regards

N Reddy

Dear Jethin,

i am attaching the data sheet for MT29F16G16ADBCAH4-IT,

Thanks and Regards

N Reddy

Dear Reddy

I am not sure about the boot rom support for this nand flash, I have not found any match between the boot rom supported nand list

Regards

Jethin

Reddy,

But i seems to be detect the first four blocks and give you the details as ID2 and boots.

Regards

Jethin

Dear Jethin

Thanks for your response,

i have selected another NAND Flash (Part number is MT29F8G08ADBDAH4-IT ), which is 8Gb memory. please let me know wether this will support for booting or not?

If it supports, then how do i interface 2 or 3 NAND Flash's to GPMC?

 ..

Thanks and Regards

N Reddy

Dear Reddy,

this will support by omap

Regards

Jethin

Dear Reddy,

i have checked and found this nand (MT29F16G16ADBCA) will also supported by omap.

Regards

Jethin

Dear Jethin

Thank you very much...

So i can use MT29F16G16ADBCA for booting as well as data storage device....

how do i interface 2 NAND Flash's to GPMC to make 4Gbyte?

actual requirement is 4Gbyte NAND Flash, in that 500Mbyte reserved for Linux OS Storage (Angstrom booting) and remaining can be used as Mass storage device.

Thanks and Regards

N Reddy

Dear Reddy,

You Can use another one chip select for connecting the second nand flash

Regards

Jethin